bazel_dependency_violations.yml

# Copyright 2024 The OpenXLA Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============================================================================
name: Bazel Dependency Violations
permissions:
  contents: read
on:
  pull_request:
  push:
    branches:
      - main

env:
  # Have `go install` place binaries in $PATH
  GOBIN: "/usr/local/bin"

jobs:
  dependency-violations:
    strategy:
      matrix:
        tag: [gpu, cuda-only, rocm-only]
    name: no-${{ matrix.tag }}-targets-in-cpu-build
    runs-on: ubuntu-22.04
    defaults:
      run:
        shell: bash
    timeout-minutes: 3
    continue-on-error: true
    steps:
      - name: "Checking out repository"
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      - name: "Install bazelisk"
        run: go install github.com/bazelbuild/bazelisk@24651ab # v1.20.0
      - name: "Run bazel cquery ... //xla/..."
        run: |
          set -euo pipefail
          TAG_WITH_UNDERSCORES="${{ matrix.tag }}"
          TAG_WITH_UNDERSCORES="${TAG_WITH_UNDERSCORES/-/_}"
          OUTPUT=$(bazelisk cquery --aspects build_tools/dependencies/aspects.bzl%validate_${TAG_WITH_UNDERSCORES}_tag //xla/... 2>&1)
          if echo "$OUTPUT" | grep 'Violation' >/dev/null; then
            echo "The following dependency violations were found:"
            echo "$OUTPUT" | grep 'Violation' | sed -e 's/^.*\[Violation\]/ -/'
            echo ""
            echo ""
            echo "There are a couple of potential solutions for this/these violation(s):"
            echo ""
            echo "1. Tag the dependent target with the same tag as the dependee."
            echo ""
            echo "2. If unavoidable make the dependency selective using the"
            echo "   'if_{gpu|cuda|rocm}_is_configured' macro. This is discouraged"
            echo "   outside of stream_executor."
            echo ""
            exit 1
          fi

          echo "No dependency violations found for tag '${{ matrix.tag }}'."